Kurtanjek families are Croats and they are mostly from Zlatar. In the past century, relatively most of Croatian residents bearing this family name were born in Zlatar and Zagreb. In Gornja Batina in Zlatar every sixth inhabitant had the family name Kurtanjek.
Prevalence
About 260 people with faimily name Kurtanjek live in Croatia today, in 110 households. There were 250 of them in the middle of the past century, and their number remains constant. They are located in the most of Croatian counties, in 14 cities and 29 other places, mostly in Zagreb (55), Gornja Batina (50), Djurdjenovac in Nasice area (20), Donja Batina (20), and in Zlatar (15).
Outside Croatia
Family name Kurtanjek is present in 6 countries on three continents.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 2007 in source Encyclopaedia of Croatian Surnames.